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Answer:
m = 15 -6
Micha is 9
Step-by-step explanation:
If you let 'm' and 'r' stand for Micha's age and Raul's age, respectively, a literal equation can be ...
m = r -6
However, we are given the value of Raul's age, so the expression we want to evaluate is ...
m = 15 -6
To find Micha's age, we evaluate that expression:
m = 9
Micha is 9 years old.